Changeset 566 for trunk/kernel/syscalls/sys_chmod.c

Timestamp:

Oct 4, 2018, 11:50:21 PM (6 years ago)

Author:

alain

Message:

Complete restructuration of kernel locks.

File:

• trunk/kernel/syscalls/sys_chmod.c (modified) (3 diffs)

trunk/kernel/syscalls/sys_chmod.c

@@ -32 +32 @@
 #include <syscalls.h>
 
-//////////////////////////////////
-int sys_chmod( const char * pathname,
-               uint32_t     rights )
+///////////////////////////////////
+int sys_chmod( char     * pathname,
+               uint32_t   rights __attribute__((unused)) )
 {
     error_t     error;
@@ -45 +45 @@
     if( hal_strlen_from_uspace( pathname ) >= CONFIG_VFS_MAX_PATH_LENGTH )
     {
-        printk("\n[ERROR] in %s : pathname too long\n", __FUNCTION__ );
+
+#if DEBUG_SYSCALLS_ERROR
+        printk("\n[ERROR] in %s : pathname too long / thread %x in process %x\n",
+        __FUNCTION__, this->trdid, process->pid );
+#endif
         this->errno = ENFILE;
         return -1;
@@ -53 +57 @@
     hal_strcpy_from_uspace( kbuf , pathname , CONFIG_VFS_MAX_PATH_LENGTH );
 
+    printk("\n[ERROR] in %s : not implemented yet\n", __FUNCTION__ );
+    return -1;
+
     // get cluster and local pointer on reference process
-    xptr_t      ref_xp  = process->ref_xp;
-    process_t * ref_ptr = (process_t *)GET_PTR( ref_xp );
-    cxy_t       ref_cxy = GET_CXY( ref_xp );
-
-    // get extended pointer on cwd inode
-    xptr_t cwd_xp = hal_remote_lwd( XPTR( ref_cxy , &ref_ptr->vfs_cwd_xp ) );
-
-    // get the cwd lock in read mode from reference process
-    remote_rwlock_rd_lock( XPTR( ref_cxy , &ref_ptr->cwd_lock ) );
+    // xptr_t      ref_xp  = process->ref_xp;
+    // process_t * ref_ptr = (process_t *)GET_PTR( ref_xp );
+    // cxy_t       ref_cxy = GET_CXY( ref_xp );
 
     // call the relevant VFS function
-    error = vfs_chmod( cwd_xp,
-                       kbuf,
-                       rights );
-
-    // release the cwd lock
-    remote_rwlock_rd_unlock( XPTR( ref_cxy , &ref_ptr->cwd_lock ) );
+    // error = vfs_chmod( cwd_xp,
+    //                    kbuf,
+    //                    rights );
 
     if( error )
     {
         printk("\n[ERROR] in %s : cannot remove directory %s\n",
-               __FUNCTION__ , kbuf );
+        __FUNCTION__ , kbuf );
         this->errno = error;
         return -1;